body,h1,ul {
    margin: 0;
    padding: 0;
}

/* 取消小圆点 */
ul {
    list-style: outside none none ;
}

#nav {
    width: 100%;
    /* 设置一个最小宽度 */
    min-width: 1263px;
    height: 70px;
    background-color:#333333
}

#nav .center {
    /* 1280-17 */
    width: 1263px;
    height: 70px;
    /* 居中显示 */
    margin: 0 auto;
    /* background-color: red; */
}


#nav .logo {
    width: 240px;
    height: 70px;
    /* background-color: red; */
    background: url(../img/lanchuang.jpg) no-repeat;
    /* 文本的缩进 */
    text-indent: -9999px;
    float: left;
}


#nav .link {
    width: 650px;
    /* background-color: red; */
    height: 70px;
    /* 行高 */
    line-height: 70px;
    color: white;
    float: right;
}

#nav .link li {
    width: 120px;
    /* 文本居中 */
    text-align: center;
    float: left;
}

/* 取消下划线 */
a {
    text-decoration: none;
}

#nav .link a {
    color: white;
    /* 需要将行内元素(不能设置宽度以及高度)转换为块级元素 */
    display: block;
}

#nav .link a:hover,#nav .active a {
    background-color: #000000;
}

/* #nav > section > ul > li.active a{
    background-color: #000000;
} */

/* .active {
    background-color: #000000;
} */

#search {
    width: 100%;
    /* 设置一个最小宽度 */
    min-width: 1263px;
    height: 600px;
    background: url(../img/adver.jpg) no-repeat center;
    position: relative;
}

#search .center {
    width: 600px;
    height: 60px;
    background-color: #000000;
    position: absolute;
    left: 50%;
    top: 50%;
    margin: -30px 0 0 -300px;
    /* 透明度 CSS3中的属性 */
    opacity: 0.6;
    /* 设置圆角 */
    border-radius: 15px;
}

#search .search {
    width: 450px;
    height: 50px;
    background-color:#ffffff;
    position: absolute;
    left: 50%;
    top: 50%;
    margin: -26px 0 0 -296px;
    color: #cccccc;
    border: 1px solid #333333;
    border-radius: 10px;
    font-size: 24px;
    padding: 0 10px;
    outline: none;
}

#search .button {
    width: 120px;
    height: 54px;
    background-color:#ffffff;
    position: absolute;
    left: 50%;
    top: 50%;
    margin: -26px 0 0 175px;
    color: #cccccc;
    border-radius: 10px;
    font-size: 24px;
    padding: 0 10px;
    outline: none;
    cursor: pointer;
}